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  <title>周期性执行备份</title>
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  <a name="ZH-CN_TOPIC_0000001792547708"></a><a name="ZH-CN_TOPIC_0000001792547708"></a>
  <h1 class="topictitle1">周期性执行备份</h1>
  <div>
   <p>将需要保护的虚拟机关联到指定SLA，系统将对这些虚拟机按照SLA的定义周期性执行备份。</p>
   <div class="section" id="ZH-CN_TOPIC_0000001792547708__section579770175718">
    <h4 class="sectiontitle">前提条件</h4>
    <p id="ZH-CN_TOPIC_0000001792547708__p13641388441">如果ESXi主机使用域名注册，请确保已添加目标主机IP与主机名映射关系，具体操作请参见<a href="zh-cn_topic_0000001792387948.html">ESXi主机的域名无法被备份代理主机识别，备份恢复失败</a>。</p>
   </div>
   <div class="section">
    <h4 class="sectiontitle">操作步骤</h4>
    <ol>
     <li><span>选择<span class="uicontrol" id="ZH-CN_TOPIC_0000001792547708__zh-cn_topic_0000001839142377_uicontrol1738217261378">“<span id="ZH-CN_TOPIC_0000001792547708__zh-cn_topic_0000001839142377_text738292620372">保护</span> &gt; 虚拟化 &gt; VMware”</span>。</span></li>
     <li><span>选择需要保护的虚拟机。</span><p></p>
      <ol type="a">
       <li>在页面左侧选中vCenter Server或ESXi主机。</li>
       <li>在页面右侧选择该vCenter Server或ESXi主机下待保护的虚拟机。
        <ul>
         <li>在“<span>集群</span>”页签选择集群时，系统将对该集群下的所有虚拟机进行保护。</li>
         <li>在“<span>主机</span>”页签选择主机时，系统将对该主机下的所有虚拟机进行保护。</li>
         <li>在“<span>虚拟机</span>”页签选择虚拟机时，系统将对该虚拟机进行保护。</li>
         <li>在“虚拟机组”页签选择虚拟机组时，系统将对该虚拟机组下的所有虚拟机进行保护。</li>
        </ul>
        <div class="note">
         <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
         <div class="notebody">
          <ul>
           <li id="ZH-CN_TOPIC_0000001792547708__li134729581904">仅1.6.0及后续版本支持选择“虚拟机组”。</li>
           <li>批量保护VMware虚拟机的数量上限为1000。</li>
          </ul>
         </div>
        </div></li>
      </ol> <p></p></li>
     <li><span>单击<span class="uicontrol">“<span>保护</span>”</span>。</span></li>
     <li><span>在“<span>已选择</span>”区域，单击已选择的磁盘数量，并在“选择的硬盘”界面排除无需备份的磁盘。选择“虚拟机组”时，请跳过本步骤。</span><p></p><p>“选择的硬盘”界面显示当前将要保护的所有磁盘，您可以取消勾选以排除无需保护的磁盘。</p>
      <div class="note">
       <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
       <div class="notebody">
        <ul>
         <li>选择部分磁盘进行备份后，生成的副本不支持即时挂载或即时恢复。</li>
         <li>如果系统盘被排除，生成的副本只能进行磁盘恢复。</li>
        </ul>
       </div>
      </div> <p></p></li>
     <li><span>选择系统预置SLA或用户自行创建的SLA。</span><p></p><p>您也可以单击<span class="uicontrol">“<span>创建</span>”</span>，创建新的SLA。</p> <p></p></li>
     <li><span>参考<a href="#ZH-CN_TOPIC_0000001792547708__table5881822353">表1</a>配置高级参数。</span><p></p>
      <div class="tablenoborder">
       <a name="ZH-CN_TOPIC_0000001792547708__table5881822353"></a><a name="table5881822353"></a>
       <table cellpadding="4" cellspacing="0" summary="" id="ZH-CN_TOPIC_0000001792547708__table5881822353" frame="border" border="1" rules="all">
        <caption>
         <b>表1 </b>高级参数说明
        </caption>
        <colgroup>
         <col style="width:29.349999999999998%">
         <col style="width:70.65%">
        </colgroup>
        <thead align="left">
         <tr>
          <th align="left" class="cellrowborder" valign="top" width="29.349999999999998%" id="mcps1.3.3.2.6.2.1.2.3.1.1"><p>参数</p></th>
          <th align="left" class="cellrowborder" valign="top" width="70.65%" id="mcps1.3.3.2.6.2.1.2.3.1.2"><p>说明</p></th>
         </tr>
        </thead>
        <tbody>
         <tr>
          <td class="cellrowborder" valign="top" width="29.349999999999998%" headers="mcps1.3.3.2.6.2.1.2.3.1.1 "><p><span>代理主机</span></p></td>
          <td class="cellrowborder" valign="top" width="70.65%" headers="mcps1.3.3.2.6.2.1.2.3.1.2 "><p>当选择虚拟机或虚拟机组进行保护时，支持选择用于执行任务的代理主机。</p> <p>如不选择，执行任务时系统<span style="color:#282B33;">将随机选择一个代理主机</span>。</p></td>
         </tr>
         <tr>
          <td class="cellrowborder" valign="top" width="29.349999999999998%" headers="mcps1.3.3.2.6.2.1.2.3.1.1 "><p><span>并发数</span></p>
           <div class="note">
            <span class="notetitle"> 说明： </span>
            <div class="notebody">
             <p>仅1.6.0及后续版本支持此参数。</p>
            </div>
           </div></td>
          <td class="cellrowborder" valign="top" width="70.65%" headers="mcps1.3.3.2.6.2.1.2.3.1.2 "><p>当选择主机、集群或虚拟机组进行保护时，支持设置同时执行备份任务的个数。</p> <p>取值范围为1~10。</p></td>
         </tr>
         <tr>
          <td class="cellrowborder" valign="top" width="29.349999999999998%" headers="mcps1.3.3.2.6.2.1.2.3.1.1 "><p><span>SLA覆盖策略</span></p></td>
          <td class="cellrowborder" valign="top" width="70.65%" headers="mcps1.3.3.2.6.2.1.2.3.1.2 ">
           <div class="p" id="ZH-CN_TOPIC_0000001792547708__p198913233514">
            当选择集群或主机进行保护时，支持选择是否覆盖虚拟机已有的SLA。
            <div class="note" id="ZH-CN_TOPIC_0000001792547708__note1032172155715">
             <span class="notetitle"> 说明： </span>
             <div class="notebody">
              <p id="ZH-CN_TOPIC_0000001792547708__p332227572">后续修改集群或主机关联的SLA时，如果选择<span class="uicontrol" id="ZH-CN_TOPIC_0000001792547708__uicontrol011093871013">“<span id="ZH-CN_TOPIC_0000001792547708__text11103387103">不覆盖虚拟机已有的SLA</span>”</span>，但虚拟机的SLA与集群或主机本身的SLA一致，则虚拟机的SLA仍会被覆盖。</p>
             </div>
            </div>
           </div></td>
         </tr>
         <tr>
          <td class="cellrowborder" valign="top" width="29.349999999999998%" headers="mcps1.3.3.2.6.2.1.2.3.1.1 "><p><span>SLA应用策略</span></p></td>
          <td class="cellrowborder" valign="top" width="70.65%" headers="mcps1.3.3.2.6.2.1.2.3.1.2 ">
           <div class="p" id="ZH-CN_TOPIC_0000001792547708__p15717541108">
            当选择集群或主机进行保护时，支持选择SLA策略的应用范围：
            <ul id="ZH-CN_TOPIC_0000001792547708__ul192722515111">
             <li id="ZH-CN_TOPIC_0000001792547708__li1592717251115">将集群或主机SLA策略应用到所有未关联SLA的虚拟机上。</li>
             <li id="ZH-CN_TOPIC_0000001792547708__li10927625419">将集群或主机SLA策略应用到新创建的虚拟机上。<p id="ZH-CN_TOPIC_0000001792547708__p39279251213"><a name="ZH-CN_TOPIC_0000001792547708__li10927625419"></a><a name="li10927625419"></a>扫描虚拟化环境后，新发现的虚拟机关联与集群或主机相同的SLA。</p></li>
            </ul>
           </div></td>
         </tr>
         <tr>
          <td class="cellrowborder" valign="top" width="29.349999999999998%" headers="mcps1.3.3.2.6.2.1.2.3.1.1 "><p><span>虚拟机过滤</span></p></td>
          <td class="cellrowborder" valign="top" width="70.65%" headers="mcps1.3.3.2.6.2.1.2.3.1.2 ">
           <div class="p" id="ZH-CN_TOPIC_0000001792547708__p163682020325">
            当选择集群或主机进行保护时，如需指定保护计划中要排除或包含的虚拟机，请打开开关，并执行以下操作：
            <ol type="a" id="ZH-CN_TOPIC_0000001792547708__ol92741652870">
             <li id="ZH-CN_TOPIC_0000001792547708__li2066616282811">选择过滤方式。</li>
             <li id="ZH-CN_TOPIC_0000001792547708__li42741252878">根据所选的过滤方式，在输入框中输入虚拟机名称或关键字过滤虚拟机。
              <ul id="ZH-CN_TOPIC_0000001792547708__ul12669913111111">
               <li id="ZH-CN_TOPIC_0000001792547708__li180521811113">输入多个名称或关键字时用英文逗号(,)隔开。</li>
               <li id="ZH-CN_TOPIC_0000001792547708__li10669613121112">支持精确匹配和模糊匹配虚拟机名称，模糊匹配规则包括：前缀匹配（如abc*）、后缀匹配（如*abc）、中间匹配（如*abc*）。</li>
              </ul></li>
            </ol>
           </div></td>
         </tr>
        </tbody>
       </table>
      </div> <p></p></li>
     <li><span>单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001792547708__zh-cn_topic_0000001792503842_uicontrol471113581111">“确定”</span>。</span><p></p><p id="ZH-CN_TOPIC_0000001792547708__zh-cn_topic_0000001792503842_p25041111535">如果当前系统时间已晚于该SLA首次备份的开始时间，则关联备份SLA后可以选择在当前立即执行备份或者根据SLA中设置的备份策略等待下次调度。</p> <p></p></li>
    </ol>
   </div>
  </div>
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     <strong>父主题：</strong> <a href="zh-cn_topic_0000001839187081.html">步骤11：执行备份</a>
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